is a real time kernel available for 6.0
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is there a real time kernel available for Trisquel?
I found this: https://trisquel.info/es/forum/linux-libre-rt-real-time-ppa-launched but the topic is closed
I installed it.
uname -a outputs:
Linux aeLiXihr 3.6.11-gnu-3-generic-rt25 #precise1 SMP Sun Jan 6 10:03:24 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
but...
git clone git://github.com/raboof/realtimeconfigquickscan.git
cd realtimeconfigquickscan
perl ./realTimeConfigQuickScan.pl
...outputs:
Kernel with Real-Time Preemption... not found - not good
Kernel without real-time capabilities found
Here (http://www.linuxmusicians.com/viewtopic.php?f=6&t=11447&start=15#p45087) i read: "That doesn't seem to be a RT kernel, it should read SMP PREEMPT RT instead of just SMP. I've checked the config and indeed: # CONFIG_PREEMPT_RT_FULL is not set"
thankyou!
thank you!
I am not sure how to install it...
"sudo apt-get install linux-libre-rt" does not work...
i tried sudo apt-get update
sudo apt-get install linux-libre-rt
but it does not work
(W: GPG error: http://linux-libre.fsfla.org squeeze Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 248D5CE2C6717768)
any ideas please?
why are there 2 sources anyway?
http://www.fsfla.org/ikiwiki/selibre/linux-libre/#repo-rt
and
https://launchpad.net/~linux-libre/+archive/rt-ppa
thank you!
You have to import the fsfla key.
$ wget http://linux-libre.fsfla.org/pub/linux-libre/rt/archive-key.asc
$ sudo apt-key add archive-key.asc
$ sudo apt-get update
$ sudo apt-get install linux-libre-rt
thank you!
I followed your instructions :)
It outputs:
linux-libre-rt is already the newest version.
The following packages were automatically installed and are no longer required:
sbsigntool gir1.2-timezonemap-1.0 realpath gir1.2-json-1.0
linux-image-3.2.0-38-generic libdebian-installer4 apt-clone dpkg-repack
archdetect-deb python-pyicu gir1.2-xkl-1.0
Use 'apt-get autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
uname -a outputs:
Linux aeLiXihr 3.6.11-gnu-3-generic-rt25 #precise1 SMP Sun Jan 6 10:03:24 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
but Raboofs script gives:
Kernel with Real-Time Preemption... not found - not good
Kernel without real-time capabilities found
OK, you have linux-libre-rt installed.
Now you have to reboot and select that kernel. Keep pressed the shift key when grub starts and select it. Check with 'uname -a' that the kernel currently used is linux-libre-rt.
thankyou!
uname -a outputs:
Linux aeLiXihr 3.6.11-gnu-3-generic-rt25 #precise1 SMP Sun Jan 6 10:03:24 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
That is the one i already had: "That doesn't seem to be a RT kernel, it should read SMP PREEMPT RT instead of just SMP. I've checked the config and indeed: # CONFIG_PREEMPT_RT_FULL is not set" (http://www.linuxmusicians.com/viewtopic.php?f=6&t=11447&start=15#p45087)
so i have not downloaded from this source:
http://linux-libre.fsfla.org/pub/linux-libre/rt/pool/3.6/
Thanks!
yes, and that is not the one in that source: http://linux-libre.fsfla.org/pub/linux-libre/rt/pool/3.6
That is the one i already had (http://www.linuxmusicians.com/viewtopic.php?f=6&t=11447&start=15#p45320)
"The problem is that the kernel in that package is not a realtime kernel as the one who's built that kernel didn't enable PREEMPT_RT in the kernel config. So even if the PPA is called rt-ppa, the package is called linux-libre-rt and the kernel designation ends with -rtxx it is NOT a realtime kernel."
why are there 2 sources anyway?
http://linux-libre.fsfla.org/pub/linux-libre/rt/pool
and
https://launchpad.net/~linux-libre/+archive/rt-ppa
cheers!
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